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Mineral ppt 2
- 7. Crystals can form from solutions as water evaporates or if too much of a substance is dissolved in water.
- 10. Silicon and oxygen are the two most abundant elements in Earth’s crust; they form the building blocks of many minerals.
- 12. Hardness is a measure of how easily a mineral can be scratched; the Mohs scale compares mineral hardness.
- 14. The way a mineral reflects light is its luster.
- 17. Streak is the color of a mineral in powdered form; but the streak test is useful only for minerals softer than the streak plate.